What does "serial music" mean?

Music, especially from the 20th century, in which the themes are based on a definite order of notes of an equal-tempered scale.

What is a synonym for "serial music"?

Common synonyms include: serialism.

noun

noun ·Rare ·Advanced level

Noun

1
Music, especially from the 20th century, in which the themes are based on a definite order of notes of an equal-tempered scale. uncountable
2
20th century music that uses a definite order of notes as a thematic basis for a musical composition wordnet